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Alfa Aesar™ 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

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Quantity:
100g
500g
2.5kg
2421-28-5
C17H6O7
322.228
MFCD00005923
VQVIHDPBMFABCQ-UHFFFAOYSA-N
3,3',4,4'-benzophenonetetracarboxylic dianhydride,benzophenonetetracarboxylic dianhydride,benzophenonetetracarboxylic acid dianhydride,1,3-isobenzofurandione, 5,5'-carbonylbis,4,4'-carbonylbis phthalic anhydride,4,4'-carbonyldiphthalic anhydride,4,4'-diphthalic anhydride ketone,benzophenonetetracarboxylic anhydride,phthalic anhydride, 4,4'-carbonyldi,unii-y61gva8097
75498
5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
2421-28-5
C17H6O7
322.228
MFCD00005923
VQVIHDPBMFABCQ-UHFFFAOYSA-N
3,3',4,4'-benzophenonetetracarboxylic dianhydride,benzophenonetetracarboxylic dianhydride,benzophenonetetracarboxylic acid dianhydride,1,3-isobenzofurandione, 5,5'-carbonylbis,4,4'-carbonylbis phthalic anhydride,4,4'-carbonyldiphthalic anhydride,4,4'-diphthalic anhydride ketone,benzophenonetetracarboxylic anhydride,phthalic anhydride, 4,4'-carbonyldi,unii-y61gva8097
75498
5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
Applications
BTDA polymer fine free-flowing powder suitable for general purposes. BTDA Microfine Micronized powder facilitates mixing in epoxy resins. BTDA ultrapure high-purity, high-assay powder for critical polyimide synthesis.

Solubility
Soluble in DMF (0.1 g/mL). Reacts with water.

Notes
Moisture Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.
Flash Point 324°C (615°F)
Sensitivity Moisture sensitive
Density 1.57
Melting Point 220°C to 226°C
Quantity 2.5kg
Boiling Point 320°C (5mmHg)
Beilstein 761777
Solubility Information Soluble in DMF (0.1g/mL). Reacts with water.
Formula Weight 322.23
Percent Purity ≥97%
Chemical Name or Material 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
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GHS H Statement
H319-H335
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P271-P272-P280-P302+P352-P304+P340-P305+P351+P338-P312-P333+P313-P363-P501c

H317-H319-H335

EINECSNumber : 219-348-1

TSCA : Yes

Recommended Storage : Ambient temperatures